Historical Events In December - 25
Tuesday, 28 October 2025
0001 Christmas, according to calendar-maker Dionysus Exiguus on this day in history. 

0001 On this day in history 1st Christmas, according to calendar-maker Dionysus Exiguus 

0274 Roman Emperor Aurelian dedicates a temple to Sol Invictus on the supposed day of the winter solstice and day of rebirth of the Sun on December - 25. 

0336 On this day in history the first1st recorded celebration of Christmas on 2005occurs in Rome 

0336 On December - 25 the first1st recorded celebration of Christmas on Dec 25 occurs in Rome 

0337 On December - 25 earliest possible date that Christmas was celebrated on Dec 25th 

0352 1st definite date Christmas was celebrated on Dec 25th on this day in history. 

0390 Roman emperor Theodosius admits debt on mass murder in Thessalonica on December - 25. 

0498 On this day in history french king Clovis baptises himself 

0597 On this day in history england adopts Julian calendar 

0604 Battle at Etampes (Stampae): Burgundy beat Neustriers on December - 25. 

0795 On this day in history adrian I ends his reign as Catholic Pope 

0795 On December - 25 adrian I, Italian Pope (772-95), dies 

0800 Pope Leo III crowns Charles the Great (Charlemagne), Roman emperor on this day in history. 

0820 On this day in history leo V, the Armenian, Byzantine gen/Emperor (813-20), murdered 

0875 On December - 25 charles, the Bare, crowned emperor of Rome 

0967 John XIII crowned Otto II the Red German compassionate emperor on this day in history. 

0969 Johannes I Tzimisces, crowned emperor of Byzantium on December - 25. 

0979 Rotardus appointed as bishop of the kingdom on December - 25. 

0999 Heribertus becomes bishop of Cologne on December - 25. 

1000 On this day in history monarch Istvan crowned king of Hungary 

1046 Pope Clemens VI crowns Henry III RC-German emperor on this day in history. 

1048 On December - 25 parliament of Worms: Emperor Henry III names his cousin count Bruno van Egisheim/Dagsburg as Pope Leo IX 

1066 On this day in history harold II is killed in the Battle of Hastings, and William is crowned December 25 

1066 On December - 25 william the Conqueror's coronation, held at Westminster Abbey 

1066 William the Conqueror, crowned king of England on this day in history. 

1100 On December - 25 boudouin I of Boulogne crowned king of Jerusalem 

1101 On this day in history henry I of Limburg becomes duke of Neth-Lutherans 

1121 Norbertus van Xanten finds order of the Norbertijnen on December - 25. 

1130 On this day in history anti-pope Anacletus II crowns Roger II the Norman, king of Sicily 

1156 Peter Venerabilis, Fr theologist/9th abbot of Cluny, dies at about 61 on December - 25. 

1223 On this day in history st Francis of Assisi assembles first Nativity scene (Greccio, Italy) 

1223 On this day in history st Francis of Assisi assembles 1st Nativity scene (Greccio, Italy) 

1249 Peter Nolascus, Spanish monastery founder/St, dies on December - 25. 

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